The ground glass connection eliminates the possibility of phthalate contamination that can occur when using silicone or neoprene stoppers

·         Each apparatus is supplied with 1000 mL funnel; 90 mm, 40-60 micron porosity, fritted glass support base; anodized aluminum clamp; and filtration flask

·         Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements